Adding upstream version 5.10.209.upstream/5.10.209upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 33 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/input/cypress,tm2-touchkey.txt b/Documentation/devicetree/bindings/input/cypress,tm2-touchkey.txt
new file mode 100644
index 000000000..921172f68
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/cypress,tm2-touchkey.txt
@@ -0,0 +1,33 @@
+Samsung tm2-touchkey
+
+Required properties:
+- compatible:
+    * "cypress,tm2-touchkey" - for the touchkey found on the tm2 board
+    * "cypress,midas-touchkey" - for the touchkey found on midas boards
+    * "cypress,aries-touchkey" - for the touchkey found on aries boards
+    * "coreriver,tc360-touchkey" - for the Coreriver TouchCore 360 touchkey
+- reg: I2C address of the chip.
+- interrupts: interrupt to which the chip is connected (see interrupt
+	binding[0]).
+- vcc-supply : internal regulator output. 1.8V
+- vdd-supply : power supply for IC 3.3V
+
+Optional properties:
+- linux,keycodes: array of keycodes (max 4), default KEY_PHONE and KEY_BACK
+
+[0]: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
+
+Example:
+	&i2c0 {
+		/* ... */
+
+		touchkey@20 {
+			compatible = "cypress,tm2-touchkey";
+			reg = <0x20>;
+			interrupt-parent = <&gpa3>;
+			interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
+			vcc-supply=<&ldo32_reg>;
+			vdd-supply=<&ldo33_reg>;
+			linux,keycodes = <KEY_PHONE KEY_BACK>;
+		};
+	};